We detected 2,400 companies using F5 BIG IP and 46 customers with upcoming renewal in the next 3 months. The most common industry is Government Administration (20%) and the most common company size is 51-200 employees (26%). We find new customers by detecting JavaScript snippets or configurations on customer websites.
๐ Who usually uses F5 BIG IP and for what use cases?
Source: Analysis of 100 job postings that mention F5 BIG IP
Job titles that mention F5 BIG IP
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Based on an analysis of job titles from postings that mention F5 BIG IP.
Job Title
Share
Network Engineer
44%
DevOps Engineer (SRE)
11%
Network Administrator
10%
System Administrator
4%
My analysis shows F5 BIG-IP purchasing decisions span multiple levels. The 4% leadership roles include titles like Sr Director of Product Management, Architecture & DevOps Associate Director, and Assistant Vice President positions focused on vulnerability, application security, and cloud security. These leaders prioritize application delivery, security posture, and modernization. The overwhelming majority (96%) are individual contributors, with Network Engineers dominating at 44%, followed by DevOps/SRE at 11%, and Network Administrators at 10%.
Day-to-day users are deeply technical practitioners managing application delivery and security infrastructure. I found them configuring LTM for load balancing and traffic management, implementing ASM/WAF policies to protect web applications, deploying APM for secure access and authentication, managing GTM/DNS for global traffic distribution, and writing iRules for custom traffic handling. They work across hybrid environments spanning on-premises data centers, VMware, and multi-cloud platforms like AWS, Azure, and GCP.
The pain points reveal organizations struggling with digital transformation and security modernization. Companies seek engineers who can "design highly available, resilient load balancing, traffic management, and DNS/DHCP architectures" while ensuring "secure, scalable, and resilient connectivity across hybrid and multi-cloud environments." Many postings emphasize "protecting critical banking applications and sensitive data from modern web threats" and "ensuring compliance with stringent financial regulations." The recurring theme is balancing performance, security, and availability for mission-critical applications during cloud migration journeys.
๐ฅ What types of companies use F5 BIG IP?
Source: Analysis of Linkedin bios of 2,400 companies that use F5 BIG IP
Looking through these companies, I noticed F5 BIG-IP users are overwhelmingly financial institutions and government entities handling sensitive transactions and critical infrastructure. The banking sector dominates, from Norwegian sparebanks to Middle Eastern financial services, alongside insurance companies, government agencies, and utilities. These aren't tech companies building software. They're organizations moving money, protecting citizens, managing power grids, and delivering essential services where downtime or security breaches have serious real-world consequences.
These are definitively mature enterprises. The employee counts range from dozens to thousands, with many in the 50-200 range for regional banks and 1,000+ for larger institutions. Very few show funding stages, and when they do, it's post-IPO or debt financing, not venture capital. They have physical branch networks, long operational histories, and established customer bases. The few tech companies present (like Birlasoft with 15,000+ employees) are large service providers, not startups.
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